feat: add poc

src/components/Stealth.js

@@ -0,0 +1,48 @@
+import { Component } from '../core/Component.js';
+
+export class Stealth extends Component {
+  constructor() {
+    super('Stealth');
+    this.visibility = 1.0; // 0 = fully hidden, 1 = fully visible
+    this.stealthType = 'slime'; // 'slime', 'beast', 'human'
+    this.isStealthed = false;
+    this.stealthLevel = 0; // 0-100
+    this.detectionRadius = 100; // How far others can detect this entity
+  }
+
+  /**
+     * Enter stealth mode
+     */
+  enterStealth(type) {
+    this.stealthType = type;
+    this.isStealthed = true;
+    this.visibility = 0.3;
+  }
+
+  /**
+     * Exit stealth mode
+     */
+  exitStealth() {
+    this.isStealthed = false;
+    this.visibility = 1.0;
+  }
+
+  /**
+     * Update stealth based on movement and actions
+     */
+  updateStealth(isMoving, isInCombat) {
+    if (isInCombat) {
+      this.exitStealth();
+      return;
+    }
+
+    if (this.isStealthed) {
+      if (isMoving) {
+        this.visibility = Math.min(1.0, this.visibility + 0.1);
+      } else {
+        this.visibility = Math.max(0.1, this.visibility - 0.05);
+      }
+    }
+  }
+}
+